The Telegraph in American and Morse Memorialauthor, 1886 - 894 σελίδες |
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Σελίδα 55
... magnet , or TYPE , 2 3 5 6 7 8 9 0 -и EXAMPLE OF IMPRINTING . www wwww w a small bar of soft iron , h . The movement ... magnet ; the pencil at the bottom of the lever was thus allowed to advance when the magnet was charged , and to ...
... magnet , or TYPE , 2 3 5 6 7 8 9 0 -и EXAMPLE OF IMPRINTING . www wwww w a small bar of soft iron , h . The movement ... magnet ; the pencil at the bottom of the lever was thus allowed to advance when the magnet was charged , and to ...
Σελίδα 117
... magnets were inclosed in walnut boxes , and kept locked . OLD STYLE MAGNET . So carefully were these boxes kept closed that it was some time before even I was permitted to see their action . These magnets were made additionally ...
... magnets were inclosed in walnut boxes , and kept locked . OLD STYLE MAGNET . So carefully were these boxes kept closed that it was some time before even I was permitted to see their action . These magnets were made additionally ...
Σελίδα 836
... magnets is placed an ordinary electro - magnet called the press magnet , having long cores . These are surrounded with non - magnetic envelopes on which the coils are wound . The rapid waves of current passing through these coils do not ...
... magnets is placed an ordinary electro - magnet called the press magnet , having long cores . These are surrounded with non - magnetic envelopes on which the coils are wound . The rapid waves of current passing through these coils do not ...
Περιεχόμενα
CHAPTER | 1 |
CHAPTER 52Continued | 3 |
ATLANTIC AND OHIO TELEGRAPH COMPANY J | 15 |
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The Telegraph in American and Morse Memorial (Classic Reprint) James D. Reid Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
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afterward Alfred Vail American Telegraph Company Amos Kendall appointed Atlantic Atlantic Telegraph Company Baltimore battery became Board Boston built cable capital cent character charge Chicago chief Cincinnati circuit Company's conductors connection construction contract Directors District dividends duties Eckert electricity entered the service enterprise erected Erie executive experiments Ezra Cornell F. O. J. Smith George Henry Hiram Sibley honor instrument insulation interest invention Isaac Butts James John Kendall known labor lease lever Louis Louisville Manager ment messages miles of wire Montreal Telegraph Company Morse patent Morse's O'Reilly Ohio Ohio Company operator organized Orleans Orton Pacific pany Philadelphia Pittsburgh poles President Prof Professor Morse Railroad Company received route Secretary secured Sibley soon Stager success Superintendent tele telegraph lines tion Treasurer Union Co Union Telegraph Company United vigor Washington West Western Telegraph Co Western Union Company Western Union Telegraph William Orton York